You can also hook up to the NASA TV streaming broadcast from a laptop. Another great website is Spaceflightnow.com. They have a running blog of the countdown as well as their own streaming video.

FYI, all of the launches are going to the ISS, which is at a 53 degree inclination. The Shuttles launch northeastward at about 53 degrees. So, if you hang out in Titusville, and watch it from across the river, it will fly from right to left during ascent, so you will see it for a longer time. If you're in Cocoa Beach or Cape Canaveral, it will fly away from you and you'll be looking up the business end of the solids watching smoke.